<template>
  <div>
    <h2>儿子组件</h2>
    <hr />
    <grandSon />
  </div>
</template>
<script lang="ts">
import { defineComponent } from "vue";
import grandSon from "./grandSon.vue";

export default defineComponent({
  name: "son", //  儿子组件
  components: { grandSon },
  setup() {
    return {}
  },
});
</script>
